Lene Hau. Lene Vestergaard Hau (born November 13, 1959 in Vejle, Denmark) is a Danish physicist. In 1999, she led a Harvard University team who, by use of a Bose-Einstein condensate, succeeded in slowing a beam of light to about 17 metres per second, and, in 2001, was able to stop a beam completely.
Zeta is the sixth letter of the Greek alphabet. In the system of Greek numerals, it has a value of 7. It was derived from the Phoenician letter zayin. Letters that arose from zeta include the Roman Z and Cyrillic Ð.
Zeta. Steklarna RogaÅ¡ka d.d. is one of the leading producers of crystal ware in the world and the RogaÅ¡ka trademark is at the highest level in terms of price, quality and design innovation in its branch of industry.We at Steklarna RogaÅ¡ka are aware that we do not design everyday objects.ink. Zeta. Steklarna RogaÅ¡ka d.d. is one of the leading producers of crystal ware in the world and the RogaÅ¡ka trademark is at the highest level in terms of price, quality and design innovation in its branch of industry. We at Steklarna RogaÅ¡ka are aware that we do not design everyday objects.